1142452135 has 16 divisors (see below), whose sum is σ = 1496270880. Its totient is φ = 830487040.

The previous prime is 1142452133. The next prime is 1142452141. The reversal of 1142452135 is 5312542411.

It is not a de Polignac number, because 1142452135 - 2¹ = 1142452133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142452133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173259 + ... + 179731.

It is an arithmetic number, because the mean of its divisors is an integer number (93516930).

Almost surely, 2^1142452135 is an apocalyptic number.

1142452135 is a deficient number, since it is larger than the sum of its proper divisors (353818745).

1142452135 is a wasteful number, since it uses less digits than its factorization.

1142452135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9698.

The product of its digits is 4800, while the sum is 28.

The square root of 1142452135 is about 33800.1795113576. The cubic root of 1142452135 is about 1045.3923985937.

Adding to 1142452135 its reverse (5312542411), we get a palindrome (6454994546).

The spelling of 1142452135 in words is "one billion, one hundred forty-two million, four hundred fifty-two thousand, one hundred thirty-five".